90510875

素因数分解:

$5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 142222080

約数和(自身を除く): 51711205

約数列:

[1, 5, 7, 13, 25, 35, 65, 73, 91, 109, 125, 175, 325, 365, 455, 511, 545, 763, 875, 949, 1417, 1625, 1825, 2275, 2555, 2725, 3815, 4745, 6643, 7085, 7957, 9125, 9919, 11375, 12775, 13625, 19075, 23725, 33215, 35425, 39785, 49595, 55699, 63875, 95375, 103441, 118625, 166075, 177125, 198925, 247975, 278495, 517205, 724087, 830375, 994625, 1239875, 1392475, 2586025, 3620435, 6962375, 12930125, 18102175, 90510875]

約数ペア:

[(1, 90510875), (5, 18102175), (7, 12930125), (13, 6962375), (25, 3620435), (35, 2586025), (65, 1392475), (73, 1239875), (91, 994625), (109, 830375), (125, 724087), (175, 517205), (325, 278495), (365, 247975), (455, 198925), (511, 177125), (545, 166075), (763, 118625), (875, 103441), (949, 95375), (1417, 63875), (1625, 55699), (1825, 49595), (2275, 39785), (2555, 35425), (2725, 33215), (3815, 23725), (4745, 19075), (6643, 13625), (7085, 12775), (7957, 11375), (9125, 9919)]